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Wednesday, August 16, 2017

Coolpad CEO Quantifies Dual Camera Advantages

Coolpad, one of the large China-based smartphone makers that uses 13MP monochrome + 13MP RGB dual camera in its devices, says about the benefits of that configuration:

"The two lenses may look the same, but they have very different functions. One shoots in RGB to produce a color image, while the other takes care of the monochrome images. The monochrome lens brings out the detail, and engage more light than the RGB lens when in low-light condition, which takes care of the colors. The Dual camera 2.0 technology in Cool Dual actually enhanced the overall clarity of the image by 20%, help reduce image noise by 8% and improved brightness by 20%. “With these, we believe the real dual 13MP cameras brings us smart framing and the 6P lens gives customers the best quality of pictures”, said Jeff Liu, Coolpad Group CEO."

2 comments:

  1. "...enhanced the overall clarity of the image by 20%, help reduce image noise by 8% and improved brightness by 20% ..."
    Aren't there figures too minor to actually speak about, especially regarding the effort that a DUAL Camera setup would require.
    Merely increasing f-stop brightness from f2 to f1.7 itself would make for 50% brighter images.
    I am guessing image noise would reduce as a consequence regardless.
    Clarity of the image may be be sligtlg improved by a change in optics, and arguably a LOT more by better processing.

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  2. There's also the manufacturing and computational costs of aligning the two cameras.

    I'm not sure what metric "clarity" is. MTF50? LP/PH? Is "brightness" in SNR10?

    Reducing noise by 8% seems awfully low for the effort of adding a second camera with a large-aperture lens.

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